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WILLS CHILD HAROLD

Overview
  • Total Patents
    12
About

WILLS CHILD HAROLD has a total of 12 patent applications. Its first patent ever was published in 1917. It filed its patents most often in Canada, Spain and United States. Its main competitors in its focus markets materials and metallurgy and machines are KUEHNRICH PAUL RICHARD, KB ALLOYS INC and S & T METAL COMPANY.

Patent filings in countries

World map showing WILLS CHILD HAROLDs patent filings in countries
# Country Total Patents
#1 Canada 5
#2 Spain 4
#3 United States 3

Patent filings per year

Chart showing WILLS CHILD HAROLDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Materials and metallurgy
#2 Machines

Focus technologies

# Technology
#1 Alloys
#2 Unspecified technologies

Top inventors

# Name Total Patents
#1 Wills Child Harold 8

Latest patents

Publication Filing date Title
CA192341A Spring steel
CA192340A Steel
US1288345A Spring-steel.
US1288344A Chrome-steel.
US1278082A Alloy steel.
CA206511A Rail steel
CA361220A Alloy steel
CA210403A Automobile